Period
to 22 November 2017

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for ROLAP skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited ROLAP over the 6 months to 22 November 2017 with a comparison to the same period in the previous 2 years.

Relational OLAP (ROLAP)
England > London
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 838 838 901
Rank change year-on-year 0 +63 +10
Permanent jobs citing ROLAP 4 1 6
As % of all permanent IT jobs advertised in London 0.005% 0.001% 0.007%
As % of the Database & Business Intelligence category 0.018% 0.004% 0.022%
Number of salaries quoted 2 1 3
London median annual salary £50,000 £45,000 £50,000
Median salary % change year-on-year +11.11% -10.00% -20.00%
10th Percentile £43,000 £42,500 £48,400
90th Percentile £61,000 £47,500 £55,840
England median annual salary £50,000 £45,000 £47,500
% change year-on-year +11.11% -5.26% -20.83%

ROLAP is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
London
Permanent vacancies with a requirement for database or business intelligence skills 22203 22456 26872
As % of all permanent IT jobs advertised in London 29.46% 29.47% 30.57%
Number of salaries quoted 17807 19562 22722
London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% +4.76%
10th Percentile £36,250 £35,000 £35,000
90th Percentile £88,750 £87,500 £85,000
England median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

ROLAP
Job Vacancy Trend in London

Job postings citing ROLAP as a percentage of all IT jobs advertised in London.

Job vacancy trend for ROLAP in London

ROLAP
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing ROLAP in London.

Salary trend for ROLAP in London

ROLAP
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ROLAP within the London region over the 6 months to 22 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
East London - 2 £50,000 -
ROLAP
England

For the 6 months to 22 November 2017, IT jobs citing ROLAP also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for ROLAP.

1 4 (100.00%) Business Intelligence
1 4 (100.00%) MOLAP
2 2 (50.00%) Microsoft
2 2 (50.00%) Agile Software Development
2 2 (50.00%) SQL Server Reporting Services
2 2 (50.00%) SQL Server Integration Services
2 2 (50.00%) SQL Server Analysis Services
2 2 (50.00%) Visualisation
2 2 (50.00%) Tableau
2 2 (50.00%) Data Quality
2 2 (50.00%) Statistical Modelling
2 2 (50.00%) SQL Server 2012
2 2 (50.00%) Mentoring
2 2 (50.00%) Analytical Skills
2 2 (50.00%) SDLC
2 2 (50.00%) Budgeting and Forecasting
2 2 (50.00%) Planning and Forecasting
2 2 (50.00%) Business Forecasting
2 2 (50.00%) SQL
2 2 (50.00%) T-SQL
2 2 (50.00%) SQL Server
2 2 (50.00%) OLAP
2 2 (50.00%) Data Warehouse
2 2 (50.00%) Data Mining
2 2 (50.00%) ETL

ROLAP
Co-occurring IT Skills in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Database & Business Intelligence
1 4 (100.00%) MOLAP
2 2 (50.00%) Data Mining
2 2 (50.00%) Data Warehouse
2 2 (50.00%) OLAP
2 2 (50.00%) SQL Server
2 2 (50.00%) SQL Server 2012
2 2 (50.00%) SQL Server Analysis Services
2 2 (50.00%) SQL Server Integration Services
2 2 (50.00%) SQL Server Reporting Services
Job Titles
1 2 (50.00%) Business Consultant
1 2 (50.00%) Business Intelligence Consultant
1 2 (50.00%) Consultant
1 2 (50.00%) Data Warehouse Developer
1 2 (50.00%) Developer
2 1 (25.00%) ETL Developer
Miscellaneous
1 2 (50.00%) Analytical Skills
Processes & Methodologies
1 4 (100.00%) Business Intelligence
2 2 (50.00%) Agile Software Development
2 2 (50.00%) Budgeting and Forecasting
2 2 (50.00%) Business Forecasting
2 2 (50.00%) ETL
2 2 (50.00%) Mentoring
2 2 (50.00%) Planning and Forecasting
2 2 (50.00%) SDLC
2 2 (50.00%) Statistical Modelling
2 2 (50.00%) Visualisation
Programming Languages
1 2 (50.00%) SQL
1 2 (50.00%) T-SQL
Quality Assurance & Compliance
1 2 (50.00%) Data Quality
Vendors
1 2 (50.00%) Microsoft
1 2 (50.00%) Tableau